MessageCreateDateComparator.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portlet.messageboards.util.comparator; 24 25 import com.liferay.portal.kernel.util.DateUtil; 26 import com.liferay.portal.kernel.util.OrderByComparator; 27 import com.liferay.portlet.messageboards.model.MBMessage; 28 29 /** 30 * <a href="MessageCreateDateComparator.java.html"><b><i>View Source</i></b></a> 31 * 32 * @author Brian Wing Shun Chan 33 */ 34 public class MessageCreateDateComparator extends OrderByComparator { 35 36 public static String ORDER_BY_ASC = "createDate ASC"; 37 38 public static String ORDER_BY_DESC = "createDate DESC"; 39 40 public static String[] ORDER_BY_FIELDS = {"createDate"}; 41 42 public MessageCreateDateComparator(boolean asc) { 43 _asc = asc; 44 } 45 46 public int compare(Object obj1, Object obj2) { 47 MBMessage message1 = (MBMessage)obj1; 48 MBMessage message2 = (MBMessage)obj2; 49 50 int value = DateUtil.compareTo( 51 message1.getCreateDate(), message2.getCreateDate()); 52 53 if (_asc) { 54 return value; 55 } 56 else { 57 return -value; 58 } 59 } 60 61 public String getOrderBy() { 62 if (_asc) { 63 return ORDER_BY_ASC; 64 } 65 else { 66 return ORDER_BY_DESC; 67 } 68 } 69 70 public String[] getOrderByFields() { 71 return ORDER_BY_FIELDS; 72 } 73 74 public boolean isAscending() { 75 return _asc; 76 } 77 78 private boolean _asc; 79 80 }